package com.nastation.pm.web.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

/**
 * 把所有的请求字符转成UTF8编码
 *
 * @author sun
 */
public class SetCharacterEncodingFilter implements Filter {

    public static final String UTF8 = "UTF-8";

    public void destroy() {
    }

    public void doFilter(ServletRequest req, ServletResponse res,
            FilterChain chain) throws IOException, ServletException {
        req.setCharacterEncoding(UTF8);
        chain.doFilter(req, res);
    }

    public void init(FilterConfig arg0) throws ServletException {
    }

}
